[RFC PATCH 1/5] gpio: gpiolib: Add core support for maintaining GPIO values on reset

Andrew Jeffery andrew at aj.id.au
Thu Oct 26 11:00:36 AEDT 2017


On Wed, 2017-10-25 at 09:11 +0100, Charles Keepax wrote:
> On Fri, Oct 20, 2017 at 07:02:27PM +1030, Andrew Jeffery wrote:
> > On Fri, 2017-10-20 at 09:43 +0200, Linus Walleij wrote:
> > > On Fri, Oct 20, 2017 at 9:17 AM, Linus Walleij <linus.walleij at linaro.org> wrote:
> > > > > > On Fri, Oct 20, 2017 at 5:37 AM, Andrew Jeffery <andrew at aj.id.au> wrote:
> > > > > GPIO state reset tolerance is implemented in gpiolib through the
> > > > > addition of a new pinconf parameter. With that, some renaming of helpers
> > > > > is done to clarify the scope of the already existing
> > > > > gpiochip_line_is_persistent(), as it's now ambiguous as to whether that
> > > > > means on suspend, reset or both.
> > > > 
> > > > Isn't it most reasonable to say persistance covers both cases, reset
> > > > and/or sleep? This seems a bit like overdefined.
> 
> Seems reasonable to me to just expand the existing stuff to cover
> reset as well, I don't think that should cause any issues for the
> Arizona stuff.

Great. I addressed this in the non-RFC series.

Thanks for the feedback.

Andrew
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